Fraksionasi Metil Ester Asam Lemak (Biodiesel) Menggunakan Pelarut Urea

ABSTRACT Biodiesel / Fatty Acid Methyl Ester (FAME) is a renewable fuel. However, biodiesel circulating in the market has the disadvantage of low oxidation stability. To improve the quality of biodiesel, biodiesel fractions are separated. The saturated and monounsaturated fractions have ideal properties as biodiesel and the polyunsaturated fraction has a very low oxidation stability which …